Path Length; Axial Length; Fluid Type; Reynolds Correction - GE DigitalFlow GS868 Startup Manual

Chapter 2. Initial Setup

2.6.4 Path Length

[F1]
5. Press = inch or
[ENT]
. (The meter will only accept values from 1/8 to 900 in.)
Note: The factory has calculated both the transducer signal path length
based on the exact transducer configuration used for the application. These values are engraved on the
flowcell and/or are included in the documentation supplied with the meter.

2.6.5 Axial Length

[F1]
6. Press = inch or
[ENT]
.
Note: The factory has calculated both the transducer signal path length
based on the exact transducer configuration used for the application. These values are engraved on the
flowcell and/or are included in the documentation supplied with the meter.

2.6.6 Fluid Type

[F1]
7. Press = steam or
OTHER
a. If was selected, enter the speed of sound (in feet per second) in the gas to be measured. Press
meter will only accept values from 125 to 9000 ft/sec.)

2.6.7 Reynolds Correction

8. The Reynolds Correction factor is a number based on the kinematic viscosity and flow rate of the gas. At the
[F1]
prompt, press to turn Reynolds Correction off
a. If you select Reynolds Correction, the GS868 asks for the Kinematic Viscosity of the gas (available in the
brochure Sound Speeds and Pipe Size Data, 914-004). Use the numeric keys to enter the desired value and
[ENT]
press .

2.6.8 Calibration Factor

9. Enter a value for the flow Calibration Factor and press
values from 0.5000 to 2.0000.) The meter will exit the
Program screen.
30
[F2] = feet
to select the units. Then, enter the Path Length (P) of the ultrasonic signal. Press
[F2] = feet
to select the units.Then, enter the Axial Length (L) of the ultrasonic signal and press
[F2]
= any other gas to select the Fluid Type.
(P)
and the transducer signal axial length
(P)
and the transducer signal axial length
, [F2] .
or to turn it on
[ENT]
. The default value is 1.00. (The meter will only accept
PIPE
submenu and return to the initial User (or Channel)
[ENT]
. (The
DigitalFlow™ GS868 Startup Guide
(L)
,
(L)
,